Siemens SINUMERIK 805 Operating Instructions Manual page 207

06.90
8 Monitoring
8.3.3 List of alarms
156*
Speed command value
Cyclic
Interlocking of NC START
Setpoint 0
The control enable is removed after the delay
in
NC MD 156 has
elapsed
(control
enable relay drops
out)
Follow-up operation
A higher
set
speed has been output in the control than that specified
in NC MD 264*
The motor cannot follow the speed
command value
Check whether the value in NC MD 264* is higher than the value in
NC MD
268*
Check the drive
Check the measuring
system
NC neutral earthing?
Check drive
actuator
Check
the position control direction
(command value/actual value
reversed?)
Scan:
Effect:
Explanation:
Remedy:
160 *
Drift
too
high
Scan:
Effect:
Cyclic
Interlocking of NC START
" + " or
" sign is in the field
-
No
traverse movement possible
The drift
to
be
compensated by the NC itself has risen
to
over approx.
500 mV
Explanation:
Remedy:
Execute drift compensation
Operation:
-
Select Service menu
in data area
-
Operate DRIFT COMPENSATION softkey for the axis concerned
Check that the
drift has been correctly calibrated on the drive unit
Check drive
actuator
Check earthing
concept
168
*
Servo enable for traver. axis not received
Scan:
Effect:
At each axis
movement
-
Interlocking of NC START
-
Setpoint 0
-
The control enable is removed
after the time stored in MD
1
56 has
elapsed (control enable relay drops
out)
-
Follow-up operation
The axis-specific control enable signal was removed by the PLC user
program during
traversing
Check the PLC program
Explanation:
Remedy:
8-14 ®
Siemens AG 1990 All Rights Reserved 6ZB5 410-0EE02
SINUMERIK 805. SW2 (BA)
• rill 11
.
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